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Register binfmt_misc entry for docker build (#685)

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Mohsen Tahmasebi 2023-04-03 11:57:59 +03:30 committed by GitHub
parent 4e92753982
commit 6dc45a80e7
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1 changed files with 34 additions and 0 deletions
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34
build-docker.sh
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@ -107,6 +107,40 @@ else
)
fi
# Check if binfmt_misc is required
binfmt_misc_required=1
case $(uname -m) in
aarch64)
binfmt_misc_required=0
;;
arm*)
binfmt_misc_required=0
;;
esac
# Check if qemu-arm-static and /proc/sys/fs/binfmt_misc are present
if [[ "${binfmt_misc_required}" == "1" ]]; then
if ! qemu_arm=$(which qemu-arm-static) ; then
echo "qemu-arm-static not found (please install qemu-user-static)"
exit 1
fi
if [ ! -f /proc/sys/fs/binfmt_misc/register ]; then
echo "binfmt_misc required but not mounted, trying to mount it..."
if ! mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc ; then
echo "mounting binfmt_misc failed"
exit 1
fi
echo "binfmt_misc mounted"
fi
# Register qemu-arm for binfmt_misc (binfmt_misc won't care duplicate entries unless they have common names)
reg="echo ':qemu-arm-rpi:M::"\
"\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00:"\
"\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:"\
"$qemu_arm:F' > /proc/sys/fs/binfmt_misc/register"
echo "Registering qemu-arm for binfmt_misc..."
sudo bash -c "$reg" 2>/dev/null || true
fi
trap 'echo "got CTRL+C... please wait 5s" && ${DOCKER} stop -t 5 ${DOCKER_CMDLINE_NAME}' SIGINT SIGTERM
time ${DOCKER} run \
"${DOCKER_CMDLINE_PRE[@]}" \